import { defineComponent, ExtractPropTypes } from 'vue';
import { Circle as VCCircle } from '../vc-progress';
import PropTypes from '../_util/vue-types';
import { validProgress } from './utils';
import { ProgressProps } from './props';

const CircleProps = {
  ...ProgressProps,
  progressStatus: PropTypes.string,
};

const statusColorMap: Record<string, string> = {
  normal: '#108ee9',
  exception: '#ff5500',
  success: '#87d068',
};

export type ICircleProps = ExtractPropTypes<typeof CircleProps>;

function getPercentage({ percent, successPercent }: ICircleProps) {
  const ptg = validProgress(percent);
  if (!successPercent) return ptg;

  const successPtg = validProgress(successPercent);
  return [successPercent, validProgress(ptg - successPtg)];
}

function getStrokeColor({ progressStatus, successPercent, strokeColor }: ICircleProps) {
  const color = strokeColor || statusColorMap[progressStatus];
  if (!successPercent) return color;
  return [statusColorMap.success, color];
}

const Circle = defineComponent({
  props: CircleProps,
  setup(props, { slots }) {
    return () => {
      const {
        prefixCls,
        width,
        strokeWidth,
        trailColor,
        strokeLinecap,
        gapPosition,
        gapDegree,
        type,
      } = props;
      const circleSize = width || 120;
      const circleStyle = {
        width: typeof circleSize === 'number' ? `${circleSize}px` : circleSize,
        height: typeof circleSize === 'number' ? `${circleSize}px` : circleSize,
        fontSize: `${circleSize * 0.15 + 6}px`,
      };
      const circleWidth = strokeWidth || 6;
      const gapPos = gapPosition || (type === 'dashboard' && 'bottom') || 'top';
      const gapDeg = gapDegree || (type === 'dashboard' && 75);
      const strokeColor = getStrokeColor(props);
      const isGradient = Object.prototype.toString.call(strokeColor) === '[object Object]';

      const wrapperClassName = {
        [`${prefixCls}-inner`]: true,
        [`${prefixCls}-circle-gradient`]: isGradient,
      };

      return (
        <div class={wrapperClassName} style={circleStyle}>
          <VCCircle
            percent={getPercentage(props)}
            strokeWidth={circleWidth}
            trailWidth={circleWidth}
            strokeColor={strokeColor}
            strokeLinecap={strokeLinecap}
            trailColor={trailColor}
            prefixCls={prefixCls}
            gapDegree={gapDeg}
            gapPosition={gapPos}
          />
          {slots?.default()}
        </div>
      );
    };
  },
});

export default Circle;